[Mesa-dev] [Bug 54557] New: Segfault calling eglWaitClient on EGL X11 platform with software rendering

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=54557

             Bug #: 54557
           Summary: Segfault calling eglWaitClient on EGL X11 platform
                    with software rendering
    Classification: Unclassified
           Product: Mesa
           Version: 8.0
          Platform: All
        OS/Version: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Other
        AssignedTo: mesa-dev at lists.freedesktop.org
        ReportedBy: loic.yhuel at gmail.com


$ LIBGL_ALWAYS_SOFTWARE=1 xeglgears -info -pixmap
EGL_VERSION = 1.4 (DRI2)
GL_RENDERER   = Gallium 0.4 on llvmpipe (LLVM 0x300)
GL_VERSION    = 2.1 Mesa 8.0.3
GL_VENDOR     = VMware, Inc.
there will be no screen update if eglCopyBuffers() is not implemented
[1]    29780 segmentation fault (core dumped)

segfault is in mesa/src/egl/drivers/dri2/egl_dri2.c (dri2_wait_client) since
dri2_dpy->flush is NULL.

The same problem happens with xeglgears -pbuffer in dri2_copy_buffers.

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